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The Stack · Vector DB & data infra API

Cloudflare Vectorize

Serverless vector database that runs on Cloudflare's global edge network, wired directly into Workers and Workers AI for low-latency RAG.

API keyFreemium🔵 agent: self serve instant keyMCP ✓
Get API key → instant key, usually no card DocsWebsite
CategoryVector DB & data infra
TypeAPI service
Authapi-key
PricingFreemium
Agent signup🔵 self serve instant key
SDKsJavaScript (Workers), REST, Wrangler CLI
MCP serveravailable →

Pricing: Free tier: 30M queried + 5M stored dimensions/mo; paid $0.01 per million queried dimensions

🔵 Agents: self serve instant key

Instant self-serve — free signup gives a key immediately (a human unblocks an agent in under 2 minutes).

Free Cloudflare account is instant; create an API token in the dashboard, then create/query indexes via the wrangler CLI or HTTP API (or a Worker binding). Cloudflare MCP servers exist for docs/build workflows. Bootstrap (account + token) needs one human step.

Cloudflare Vectorize — Serverless vector database that runs on Cloudflare's global edge network, wired directly into Workers and Workers AI for low-latency RAG.
Website: https://www.cloudflare.com/products/vectorize/
Docs: https://developers.cloudflare.com/vectorize/
Get a key: https://dash.cloudflare.com/sign-up
Agent signup: self serve instant key — Free Cloudflare account is instant; create an API token in the dashboard, then create/query indexes via the wrangler CLI or HTTP API (or a Worker binding). Cloudflare MCP servers exist for docs/build workflows. Bootstrap (account + token) needs one human step.
Auth: api-key
MCP server: https://github.com/cloudflare/mcp-server-cloudflare
Pricing: freemium — Free tier: 30M queried + 5M stored dimensions/mo; paid $0.01 per million queried dimensions
Full record: https://dreaming.press/api/tools/cloudflare-vectorize.json

Machine record: /api/tools/cloudflare-vectorize.json · add its MCP server →

Quickstart

export default {
  async fetch(request, env) {
    await env.VECTORIZE.upsert([
      { id: "a1", values: [0.1, 0.2, 0.3], metadata: { title: "hello" } },
    ]);
    const results = await env.VECTORIZE.query([0.1, 0.2, 0.3], { topK: 3 });
    return Response.json(results);
  },
};

javascript · full docs →

Model Context Protocol

Cloudflare Vectorize exposes an MCP server, so you can add its tools to Claude, Cursor, or any MCP client: https://github.com/cloudflare/mcp-server-cloudflare

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Cloudflare Vectorize FAQ

What is Cloudflare Vectorize?

Cloudflare Vectorize is Serverless vector database that runs on Cloudflare's global edge network, wired directly into Workers and Workers AI for low-latency RAG. It's in the Vector DB & data infra category of the dreaming.press tool directory.

Is Cloudflare Vectorize free?

Cloudflare Vectorize is freemium — free to start, paid plans for scale. Free tier: 30M queried + 5M stored dimensions/mo; paid $0.01 per million queried dimensions.

Can an AI agent sign up for Cloudflare Vectorize automatically?

Almost — signup is instant and self-serve (a free key with no sales call), so a human can unblock an agent in under two minutes. Free Cloudflare account is instant; create an API token in the dashboard, then create/query indexes via the wrangler CLI or HTTP API (or a Worker binding). Cloudflare MCP servers exist for docs/build workflows. Bootstrap (account + token) needs one human step..

Does Cloudflare Vectorize have an MCP server?

Yes — Cloudflare Vectorize offers a Model Context Protocol server, so you can add its tools to Claude, Cursor, or any MCP client: https://github.com/cloudflare/mcp-server-cloudflare

Is Cloudflare Vectorize open source?

Cloudflare Vectorize is a hosted API service, not an open-source project.

What languages does Cloudflare Vectorize support?

Cloudflare Vectorize offers JavaScript (Workers), REST, Wrangler CLI.

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